How severe is CVE-2026-8226?

CVE-2026-8226 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-8226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8226?

CVE-2026-8226 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8226?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8226 have an EU (EUVD) identifier?

Yes. CVE-2026-8226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28974.

When was CVE-2026-8226 published?

CVE-2026-8226 was published on 2026-05-10 and last updated on 2026-06-17.

CVE-2026-8226

CVE-2026-8226 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 5.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28974
Weakness: CWE-404
Affected product: Open5gs
Published: 2026-05-10
Last modified: 2026-06-17

Description

A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-8226?: A security flaw has been discovered in Open5GS up to 2.7.7. This vulnerability affects the function ogs_pcc_rule_install_flow_from_media in the library /lib/proto/types.c. The manipulation results in denial of service. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-8226?: CVE-2026-8226 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-8226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8226?: CVE-2026-8226 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8226 have an EU (EUVD) identifier?: Yes. CVE-2026-8226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28974.
When was CVE-2026-8226 published?: CVE-2026-8226 was published on 2026-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

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